Trample.
When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

• Number: G2010-3
• Rarity: P
• Power: 12
• Toughness: 12
• Type: Artifact Creature
• Subtype: Dreadnought
• Mana cost: 1
• Color: Artifact
• Artist: Pete Venters